<!DOCTYPE html>
<html lang="en">
<head>
    <script src="../js/vue.js"></script>
</head>
<body>
    <div id="app">
        <my-component></my-component>
        <my-component></my-component>
        <my-component></my-component>
    </div>
    <script>
        Vue.component('my-component',{
        data(){
                return{count : 0}
            },
            template:'<button v-on:click="count++">被单击{{count}}次</button>'
        });
        var vm = new Vue({
            el:'#app',
        });
    </script>
</body>
</html>